{"image_url":null,"url":"https://shuzo-kino.hateblo.jp/entry/2016/05/31/213950","height":"190","version":"1.0","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/shuzo_kino/","categories":["javascript"],"description":"\u95a2\u6570\u306b\u5f15\u6570\u3092\u4e0e\u3048\u306a\u304f\u3066\u3082arguments\u304c\u88dc\u8db3\u3057\u3066\u3044\u307e\u3059\u3002 \u540d\u524d\u4ed8\u3051\u305f\u65b9\u304c\u5f53\u7136\u8ffd\u3044\u3084\u3059\u3044\u3067\u3059\u304c\u3002 \u5b9f\u969b\u306e\u3068\u3053\u308d \u57fa\u672c\u7684\u306a\u4f8b\u304c\u3053\u3061\u3089\u3002 function hoge() { return arguments[1]} hoge(2,9) //> 9 \u3061\u3087\u3063\u3068\u8907\u96d1\u306b \u5185\u90e8\u306e\u30a2\u30ed\u30fc\u95a2\u6570\u3067argument\u3092\u88dc\u8db3 \u7b2c\u4e8c\u5f15\u6570\u304c\u306a\u3044(=NaN)\u306a\u30890\u3092\u6301\u3064 \u3088\u3046\u306b\u3057\u305f\u4f8b\u304c\u3053\u3061\u3089\u3002 function bar() { let f = (i) => {return (arguments[1] || 0) + i}; return f(2); } bar(8) //> 2 bar(8,9,10) //> 11 \u53c2\u8003\u3082\u2026","width":"100%","blog_url":"https://shuzo-kino.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshuzo-kino.hateblo.jp%2Fentry%2F2016%2F05%2F31%2F213950\" title=\"\u95a2\u6570\u5b9a\u7fa9\u306e\u969b\u3001\u5f15\u6570\u3092\u4e0e\u3048\u306a\u304f\u3066\u3082arguments\u304c\u88dc\u8db3\u3057\u3066\u3044\u308b - Bye Bye Moore\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","type":"rich","blog_title":"Bye Bye Moore","published":"2016-05-31 21:39:50","title":"\u95a2\u6570\u5b9a\u7fa9\u306e\u969b\u3001\u5f15\u6570\u3092\u4e0e\u3048\u306a\u304f\u3066\u3082arguments\u304c\u88dc\u8db3\u3057\u3066\u3044\u308b","author_name":"shuzo_kino"}